If Trump Would Delay His Announcement Until After Georgia Runoff How Would Help His Endorsee Herschel Walker?

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Everybody knows that Trump backs Herschel Walker and that Walker is grateful for that, backing the former president in return as a team, so how would Trump delaying his announcement to enter the presidential race help Walker, and wouldn’t it actually hurt him (really both) in trying to pretend that they aren’t on the same team, as if Georgians are too ignorant to know of that mutual support?